<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>My website</title>
		<style type="text/css">
			.box{
				width: 300px;
				height: 150px;
				background: pink;
				padding: 75px 100px;
			}
			.smallbox{
				width: 300px;
				height: 150px;
				background: red;
			}
		</style>
	</head>
	<body>
		<div class="box">
			<div class="smallbox"></div>
		</div>
	</body>
</html>